document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=959302>Question 959302</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At a basketball game, members of the Spirit Club use a t-shirt cannon to launch team t-shirts to spectators in the stands. \r<BR>\n" );
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document.write( "The equation below describes the height, h, of the t-shirt, t seconds after it is shot from the cannon c feet above the ground, at an initial velocity of v.\r<BR>\n" );
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document.write( "h = -16t^2 + vt + c\r<BR>\n" );
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document.write( "Solve the equation for initial velocity, v.\r<BR>\n" );
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document.write( "The cannon launched a t-shirt from an initial height of 5 feet. \r<BR>\n" );
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document.write( "After 3 seconds the shirt has reached a height of 131 feet. \r<BR>\n" );
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document.write( "Use your equation from #1 to find the initial velocity of the t-shirt. \r<BR>\n" );
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document.write( "Show your work.\r<BR>\n" );
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document.write( "What does the equation from #1 tell you about the value of the velocity, v, when t = 0? Explain.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #586383 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=586383\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h+=+-16t%5E2+%2B+v%2At+%2B+c+ ALIGN=MIDDLE  ALT=\"+h+=+-16t%5E2+%2B+v%2At+%2B+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "change <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h+ ALIGN=MIDDLE  ALT=\"+h+\"   DISABLED_style= \"max-width:90%; height:auto;\" > to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h%28t%29+ ALIGN=MIDDLE  ALT=\"+h%28t%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "( helps to explain better )<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h%28t%29+=+-16t%5E2+%2B+v%2At+%2B+c+ ALIGN=MIDDLE  ALT=\"+h%28t%29+=+-16t%5E2+%2B+v%2At+%2B+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "The height is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5+ ALIGN=MIDDLE  ALT=\"+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ft when the<BR>\n" );
document.write( "cannon is fired at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t=0+ ALIGN=MIDDLE  ALT=\"+t=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h%280%29+=+5+ ALIGN=MIDDLE  ALT=\"+h%280%29+=+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5+=+-16%2A0%5E2+%2B+v%2A0+%2B+c+ ALIGN=MIDDLE  ALT=\"+5+=+-16%2A0%5E2+%2B+v%2A0+%2B+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5+=+c+ ALIGN=MIDDLE  ALT=\"+5+=+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "You are given:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h%283%29+=+131+ ALIGN=MIDDLE  ALT=\"+h%283%29+=+131+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h%283%29+=+-16%2A3%5E2+%2B+v%2A3+%2B+5+ ALIGN=MIDDLE  ALT=\"+h%283%29+=+-16%2A3%5E2+%2B+v%2A3+%2B+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+131+=+-16%2A3%5E2+%2B+v%2A3+%2B+5+ ALIGN=MIDDLE  ALT=\"+131+=+-16%2A3%5E2+%2B+v%2A3+%2B+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3v+=+131+%2B+16%2A9+-+5+ ALIGN=MIDDLE  ALT=\"+3v+=+131+%2B+16%2A9+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3v+=+131+%2B+144+-+5+ ALIGN=MIDDLE  ALT=\"+3v+=+131+%2B+144+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3v+=+275+-+5+ ALIGN=MIDDLE  ALT=\"+3v+=+275+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3v+=+270+ ALIGN=MIDDLE  ALT=\"+3v+=+270+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+v+=+90+ ALIGN=MIDDLE  ALT=\"+v+=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The initial velocity is 90 ft/sec<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "When <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t=0+ ALIGN=MIDDLE  ALT=\"+t=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h%280%29+=+-16%2A0%5E2+%2B+v%2A0+%2B+5+ ALIGN=MIDDLE  ALT=\"+h%280%29+=+-16%2A0%5E2+%2B+v%2A0+%2B+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h%280%29+=+5+ ALIGN=MIDDLE  ALT=\"+h%280%29+=+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "What ever the velocity is at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t=0+ ALIGN=MIDDLE  ALT=\"+t=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "the height is still <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5+ ALIGN=MIDDLE  ALT=\"+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ft, so<BR>\n" );
document.write( "the velocity can't be determined <BR>\n" );
document.write( "from this equation\r<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );